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authorÆvar Arnfjörð Bjarmason <avarab@gmail.com>2022-11-07 22:23:07 +0100
committerTaylor Blau <me@ttaylorr.com>2022-11-07 22:11:51 -0500
commitf569897cdac5c79639aaaa9f97207bc317e7624d (patch)
treea6741209bc5f08cef8f9c3cfe9ce626ea790570a /Makefile
parent34b660e3e60b094cd456dbaf9484ba261a7a9faa (diff)
downloadgit-f569897cdac5c79639aaaa9f97207bc317e7624d.tar.gz
Makefile: rephrase the discussion of *_SHA1 knobs
In the preceding commit the discussion of the *_SHA1 knobs was left as-is to benefit from a smaller diff, but since we're changing these let's use the same phrasing we use for most other knobs. E.g. "define X", not "define X environment variable", and get rid of the "when running make to link with" entirely. Furthermore the discussion of DC_SHA1* options is now under a "Options for the sha1collisiondetection implementation" heading, so we don't need to clarify that these options go along with DC_SHA1=Y, so let's rephrase them accordingly. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Taylor Blau <me@ttaylorr.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile12
1 files changed, 6 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index 1923562468..251368b315 100644
--- a/Makefile
+++ b/Makefile
@@ -492,20 +492,20 @@ include shared.mak
# Define DC_SHA1 to enable the collision-detecting sha1
# algorithm. This is slower, but may detect attempted collision attacks.
#
-# Define BLK_SHA1 environment variable to make use of the bundled
-# optimized C SHA1 routine.
+# Define BLK_SHA1 to make use of optimized C SHA-1 routines bundled
+# with git (in the block-sha1/ directory).
#
-# Define OPENSSL_SHA1 environment variable when running make to link
-# with the SHA1 routine from openssl library.
+# Define OPENSSL_SHA1 to link to the SHA-1 routines from the OpenSSL
+# library.
#
# ==== Options for the sha1collisiondetection library ====
#
-# Define DC_SHA1_EXTERNAL in addition to DC_SHA1 if you want to build / link
+# Define DC_SHA1_EXTERNAL if you want to build / link
# git with the external SHA1 collision-detect library.
# Without this option, i.e. the default behavior is to build git with its
# own built-in code (or submodule).
#
-# Define DC_SHA1_SUBMODULE in addition to DC_SHA1 to use the
+# Define DC_SHA1_SUBMODULE to use the
# sha1collisiondetection shipped as a submodule instead of the
# non-submodule copy in sha1dc/. This is an experimental option used
# by the git project to migrate to using sha1collisiondetection as a